BCL6 and diffuse large B-cell lymphoma: In 4/10 patients with a BCL6(+) primary cutaneous diffuse large B cell lymphoma, leg type (PCDLBCL,LT) and in 2/2 patients with a secondary cutaneous BCL6(+) diffuse large B cell lymphoma (DLBCL), TOX was expressed by more than 50 % of the neoplastic B cells.